| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <gtest/gtest.h> |
| |
| #include "data_type-inl.h" |
| |
| #include "base/array_ref.h" |
| #include "base/macros.h" |
| #include "dex/primitive.h" |
| |
| namespace art { |
| |
| template <DataType::Type data_type, Primitive::Type primitive_type> |
| static void CheckConversion() { |
| static_assert(data_type == DataTypeFromPrimitive(primitive_type), "Conversion check."); |
| static_assert(DataType::Size(data_type) == Primitive::ComponentSize(primitive_type), |
| "Size check."); |
| } |
| |
| TEST(DataType, SizeAgainstPrimitive) { |
| CheckConversion<DataType::Type::kVoid, Primitive::kPrimVoid>(); |
| CheckConversion<DataType::Type::kBool, Primitive::kPrimBoolean>(); |
| CheckConversion<DataType::Type::kInt8, Primitive::kPrimByte>(); |
| CheckConversion<DataType::Type::kUint16, Primitive::kPrimChar>(); |
| CheckConversion<DataType::Type::kInt16, Primitive::kPrimShort>(); |
| CheckConversion<DataType::Type::kInt32, Primitive::kPrimInt>(); |
| CheckConversion<DataType::Type::kInt64, Primitive::kPrimLong>(); |
| CheckConversion<DataType::Type::kFloat32, Primitive::kPrimFloat>(); |
| CheckConversion<DataType::Type::kFloat64, Primitive::kPrimDouble>(); |
| CheckConversion<DataType::Type::kReference, Primitive::kPrimNot>(); |
| } |
| |
| TEST(DataType, Names) { |
| #define CHECK_NAME(type) EXPECT_STREQ(#type, DataType::PrettyDescriptor(DataType::Type::k##type)) |
| CHECK_NAME(Void); |
| CHECK_NAME(Bool); |
| CHECK_NAME(Int8); |
| CHECK_NAME(Uint16); |
| CHECK_NAME(Int16); |
| CHECK_NAME(Int32); |
| CHECK_NAME(Int64); |
| CHECK_NAME(Float32); |
| CHECK_NAME(Float64); |
| CHECK_NAME(Reference); |
| #undef CHECK_NAME |
| } |
| |
| TEST(DataType, IsTypeConversionImplicit) { |
| static const DataType::Type kIntegralTypes[] = { |
| DataType::Type::kBool, |
| DataType::Type::kUint8, |
| DataType::Type::kInt8, |
| DataType::Type::kUint16, |
| DataType::Type::kInt16, |
| DataType::Type::kInt32, |
| DataType::Type::kInt64, |
| }; |
| const ArrayRef<const DataType::Type> kIntegralInputTypes(kIntegralTypes); |
| // Note: kBool cannot be used as a result type. |
| DCHECK_EQ(kIntegralTypes[0], DataType::Type::kBool); |
| const ArrayRef<const DataType::Type> kIntegralResultTypes = kIntegralInputTypes.SubArray(1u); |
| |
| static const bool kImplicitIntegralConversions[][arraysize(kIntegralTypes)] = { |
| // Bool Uint8 Int8 Uint16 Int16 Int32 Int64 |
| { /* Bool N/A */ true, true, true, true, true, false }, |
| { /* Uint8 N/A */ true, false, true, true, true, false }, |
| { /* Int8 N/A */ false, true, false, true, true, false }, |
| { /* Uint16 N/A */ false, false, true, false, true, false }, |
| { /* Int16 N/A */ false, false, false, true, true, false }, |
| { /* Int32 N/A */ false, false, false, false, true, false }, |
| { /* Int64 N/A */ false, false, false, false, false, true }, |
| }; |
| static_assert(arraysize(kIntegralTypes) == arraysize(kImplicitIntegralConversions), "size check"); |
| |
| for (size_t input_index = 0; input_index != kIntegralInputTypes.size(); ++input_index) { |
| DataType::Type input_type = kIntegralInputTypes[input_index]; |
| for (size_t result_index = 1u; result_index != kIntegralResultTypes.size(); ++result_index) { |
| DataType::Type result_type = kIntegralResultTypes[result_index]; |
| EXPECT_EQ(kImplicitIntegralConversions[input_index][result_index], |
| DataType::IsTypeConversionImplicit(input_type, result_type)) |
| << input_type << " " << result_type; |
| } |
| } |
| for (DataType::Type input_type : kIntegralInputTypes) { |
| EXPECT_FALSE(DataType::IsTypeConversionImplicit(input_type, DataType::Type::kFloat32)); |
| EXPECT_FALSE(DataType::IsTypeConversionImplicit(input_type, DataType::Type::kFloat64)); |
| } |
| for (DataType::Type result_type : kIntegralResultTypes) { |
| EXPECT_FALSE(DataType::IsTypeConversionImplicit(DataType::Type::kFloat32, result_type)); |
| EXPECT_FALSE(DataType::IsTypeConversionImplicit(DataType::Type::kFloat64, result_type)); |
| } |
| EXPECT_TRUE( |
| DataType::IsTypeConversionImplicit(DataType::Type::kFloat32, DataType::Type::kFloat32)); |
| EXPECT_FALSE( |
| DataType::IsTypeConversionImplicit(DataType::Type::kFloat32, DataType::Type::kFloat64)); |
| EXPECT_FALSE( |
| DataType::IsTypeConversionImplicit(DataType::Type::kFloat64, DataType::Type::kFloat32)); |
| EXPECT_TRUE( |
| DataType::IsTypeConversionImplicit(DataType::Type::kFloat64, DataType::Type::kFloat64)); |
| } |
| |
| } // namespace art |